Roll src/third_party/cros_system_api/ fc6c45f78..9734c36f2 (6 commits)

https://chromium.googlesource.com/chromiumos/platform2/system_api.git/+log/fc6c45f78316..9734c36f2aa6

$ git log fc6c45f78..9734c36f2 --date=short --no-merges --format='%ad %ae %s'
2019-11-07 victorhsieh Do not enable ADB sideloading for managed account
2019-09-03 garrick system_api: Add patchpanel dbus service.
2019-10-22 henryhsu system_api: Add DOUBLE_TAP input event
2019-10-22 igorcov system_api: Add new class for stop session reason
2019-10-28 zuan cryptohome: Add LowDiskCallback to UserDataAuth
2019-10-28 sidereal vm_tools: Have concierge pass on mount status to chrome

Created with:
  roll-dep src/third_party/cros_system_api

Bug: None
Change-Id: If730eb2ad5eeec7e753d13266c90d044de3733ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1907072Reviewed-by: Fergus Dall <sidereal@google.com>
Commit-Queue: Victor Hsieh <victorhsieh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714786}

DEPS

@@ -882,7 +882,7 @@ deps = {
 
   # For Linux and Chromium OS.
   'src/third_party/cros_system_api': {
-      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + 'fc6c45f78316ac0fcac79c862682da681b46c3b6',
+      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + '9734c36f2aa6047f1407cbd631e0d1eb2aac274b',
       'condition': 'checkout_linux',
   },